Hi there,

I'm currently working on porting Zephyr to i.MX7 SoC and I'm facing an error with cmake when it is generating the generated_dts_board.h.

I want to use only the sram and in my dts I removed the "zephyr,flash" property. I'm not sure if I'm doing this correctly. If I don't want a flash should I need to set it to a specific entry or just remove the property from the dts?

Error message:

Makefile:854: recipe for target 'cmake_check_build_system' failed

make: *** [cmake_check_build_system] Error 1

-- Selected BOARD colibri_imx7d_m4

Zephyr version: 1.10.99

Parsing Kconfig tree in <snip>/Kconfig

Using <snip>/tests/shell/build/colibri_imx7d_m4/zephyr/.config as base

-- Generating zephyr/include/generated/generated_dts_board.h

Traceback (most recent call last):

  File "<snip>/scripts/dts/extract_dts_includes.py", line 906, in <module>

    main()

  File "<snip>/scripts/dts/extract_dts_includes.py", line 896, in main

    insert_defs(chosen['zephyr,flash'], defs, load_defs, {})

KeyError: 'zephyr,flash'

CMake Error at <snip>/dts/dts.cmake:111 (message):

  command failed with return code: 1

Call Stack (most recent call first):

  <snip>/cmake/app/boilerplate.cmake:227 (include)

  CMakeLists.txt:1 (include)

I managed to fix the error with this change:

diff --git a/scripts/dts/extract_dts_includes.py b/scripts/dts/extract_dts_includes.py

index e917deb..c03f236 100755

--- a/scripts/dts/extract_dts_includes.py

+++ b/scripts/dts/extract_dts_includes.py

@@ -889,11 +889,13 @@ def main():

         load_defs['CONFIG_FLASH_LOAD_SIZE'] = \

             lookup_defs(part_defs, chosen['zephyr,code-partition'],

                         'PARTITION_SIZE')

+        node_address = chosen['zephyr,flash']

     else:

         load_defs['CONFIG_FLASH_LOAD_OFFSET'] = 0

         load_defs['CONFIG_FLASH_LOAD_SIZE'] = 0

+        node_address = 'dummy-flash'

 

-    insert_defs(chosen['zephyr,flash'], defs, load_defs, {})

+    insert_defs(node_address, defs, load_defs, {})

Regards,

--
*dS
Diego Sueiro

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